3ply face mask. civil or medical use. ear loop or tie on
BEF >=90% or 98%
packing 50pc per box. 40 box per ctn
or 50pc per bag , 4000pc per carton
3ply face mask. civil or medical use. ear loop or tie on
BEF >=90% or 98%
packing 50pc per box. 40 box per ctn
or 50pc per bag , 4000pc per carton